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TA2145AFG Datasheet (PDF) - Toshiba Semiconductor

TA2145AFG Datasheet PDF - Toshiba Semiconductor
Part # TA2145AFG
Download  TA2145AFG Download

File Size   310.18 Kbytes
Page   16 Pages
Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor
Description 3 V Stereo Headphone Amplifier (3 V USE)

TA2145AFG Datasheet (PDF)

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TA2145AFG Datasheet PDF - Toshiba Semiconductor

Part # TA2145AFG
Download  TA2145AFG Click to download

File Size   310.18 Kbytes
Page   16 Pages
Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor
Description 3 V Stereo Headphone Amplifier (3 V USE)

TA2145AFG Datasheet (HTML) - Toshiba Semiconductor

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TA2145AFG Product details

3 V Stereo Headphone Amplifier (3 V USE)

The TA2145AFG is developed for play-back stereo headphone equipments (3 V USE).
It is built in dual preamplifiers, dual OCL power amplifiers, motor governor, DC volume control and preamplifier on/off switch etc.

Features
• Built-in preamplifier
   Input coupling condenser-less
   Built-in input capacitor for reducing buzz noise
   Low noise: Vni = 1.2 µVrms (typ.)
   Preamplifier on/off switch.
• Built-in power amplifier
   OCL (Output condenser-less)
   Voltage gain: GV = 31 dB (typ.)
• Built-in motor governor (Current proportion type)
• Built-in DC volume control function
   ATT = 82dB (Ta = 25°C, typ.)
• Built-in bass boost function
• Low supply current (VCC = 3 V, f = 1 kHz, PRE OUT = 100 mVrms, Ta = 25°C, typ.)
• Quiescent supply current
   PRE + PW: ICCQ = 8.5 mA
   GVN: ICC = 2.5 mA
• 0.1 mW × 2 ch output
   ICC1 = 9.8 mA (RL = 32 Ω)
   ICC2 = 10.5 mA (RL = 16 Ω)
• 0.5 mW × 2 ch output
   ICC3 = 14.0 mA (RL = 32 Ω)
   ICC4 = 16.5 mA (RL = 16 Ω)
• Operating supply voltage range (Ta = 25°C)
   VCC (opr) = 1.8~3.6 V
   GVN VCC (opr) = 2.1~3.6 V (Motor voltage = 1.8 V)




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